205392789

素因数分解:

$3^2\times 7^1\times {\mathrm{3260203}}^1$

素因数の和:3260216

約数の個数: 12

約数和(自身を含む): 339061216

約数和(自身を除く): 133668427

約数列:

[1, 3, 7, 9, 21, 63, 3260203, 9780609, 22821421, 29341827, 68464263, 205392789]

約数ペア:

[(1, 205392789), (3, 68464263), (7, 29341827), (9, 22821421), (21, 9780609), (63, 3260203)]